HC-05 Bluetooth Shield for Arduino
- Bluetooth serial port Profile
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Frequency: 2.4GHz ISM band
- Communication Range: 10M
- Serial Bluetooth module for Arduino
- Can operate in Master, Slave or Master/Slave mode
- UART interface (TTL) with programmable baud rate (SPP firmware installed)
- Default baud rate: 38400(CMD MODE) / 9600(DATA MODE), data bits: 8, stop bit: 1, Parity: No parity
- Onboard PCB antenna
- FCC ID certificated
2.4″ Inch Touch Screen TFT Display Shield for Arduino
- 4″ Touch LCD TFT display module for Arduino
- 240*320 pixels resolution
- Ability to display 262000 different colours
- The shield comes equipped with a microSD card slot.
- SPFD5408 controller with built-in video RAM buffer
- 8-bit digital interface, plus 4 control lines
- 5V compatible. Use with 3.3V or 5V logic
- On-board 3.3V 300mA LDO regulator
- Uses digital pins 5-13 and analogue 0-3. That means you can use digital pins 2, 3, and analog 4 and 5. Pin 12 is available if not using the microSD
- Works with any Arduino Uno and mega compatible boards
- Resolution: 240320 pixels
- Supply voltage: 5V
- Working temperature: -30C ~ 70C
- Dimension: 72*52*12mm
ESP8266 WIFI Shield
- Operating voltage 5V (supplied from the Arduino Board)
- Connection via: 802.11b/g networks
- Encryption types: WEP and WPA2 Personal
- Connection with Arduino on SPI port
- on-board micro SD slot
- ICSP headers
- FTDI connection for serial debugging of WiFi shield
- Mini-USB for updating WiFi shield firmware
- 32-bit RISC architecture
- The processor can operate at 80MHz / 160MHz
- 32MB flash memory
- 64kB for instructions
- 96kB for data
- Operates in AP, Station or AP + Station mode
- It has 11 digital pins
- It has 1 analogue pin with 10-bit resolution
- Digital pins except the D0 have interrupts, PWM, I2C and one wire
- Programmable through USB or WiFi (OTA)
- Compatible with Arduino IDE
- Compatible with modules and sensors used in Arduino
PN532 NFC/RFID Controller Shield for Arduino
- PN532 chip-set
- Operating Voltage : 3.3V ~ 5v
- Support I2C, SPI
- I2C: 3.3V ~ 24V TTL
- SPI: 3.3V TTL with 100-ohm resistors in series
- Plug and play, Arduino compatible
- Built-in PCB Antenna
- Communication distance:10cm
- Easy to change mode
- NFC/RFID PN532 shield including a tuned 13.56MHz stripline antenna
- 36-pin 0.1" header for attaching the shield to an Arduino.
- Compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
16×2 (1602) LCD Keypad Shield
- Operating Voltage:5V
- 5 Push buttons.
- RST button to reset Arduino program.
- Integrate a potentiometer for adjusting the backlight.
- Expanded available I/O pins.
- Blue light with white characters.
- Uses 4 Bit Arduino LCD Library
- Screen contrast adjustment
- Arduino Reset button
- The keypad consists of 6 keys select, up, right, down, left and reset.
- To save the digital IO pins, the keypad interface only uses one ADC channel.
- The key value is read out through a 5 stage voltage divider.
L293D Motor Driver Shield
- L293D motor driver chip & 74HC595 shift register
- Four H-bridges
- Terminal blocks and jumper to connect external power, for separate logic/motor supplies
- Up to 4 bi-directional DC motors with individual 8-bit speed selection
- Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping.
- 2 connections for 5V ‘hobby’ servos connected to the Arduino’s high-resolution dedicated timer
- 4 H-Bridges: L293D chipset provides 0.6A per bridge (1.2A peak) with thermal shutdown protection, internal kickback protection diodes. Can run motors on 4.5VDC to 25VDC.
- Pull-down resistors keep motors disabled during power-up
- Big terminal block connectors to easily hook up wires (18-26AWG) and power
- Arduino reset button brought up top
- Tested compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
- PCB Size: 69 x 53 mm
Protosheild For Arduino
- Standard 0.1"x0.1" prototyping grid with big pads
- Comes with Stacking headers and plain header, choose whichever you want when soldering together
- IC pattern for adding DIP ICs up to 20 pins
- Power rails down the middle and sides
- Reset button and an extra general use button
- 2 3mm general use LEDs, red and green, as well as 2 matching resistors
- A pass-thru ICSP stacking header so you can stack any kind of shield on top, and/or use an AVR programmer
- A surface-mount chip area for up to 14 SOIC size parts
- Compatible with tiny breadboards
- Every pin is brought out
- Gold plated pads
- 2 x 0.1uF capacitors on either side for extra power stability
RELAY SHEILD
- Every channel maximum convert voltage: AC 125V / DC 24V
- Every channel maximum converts current: 3A
- Interface via digital I/O pins 4,5,6, and 7
- Relay screw terminals
- Standardized shield shape and design
- LED working status indicators for each relay
- High quality relays
- COM, NO (Normally Open), and NC (Normally Closed) relay pins for each relay
- Update pin SCL, SDA, IOREF, NC.
- Arduino,Crowduino,Seeeduino,Arduino Mega compatible
- Automatic control and manual control
- 4 mechanical relays with photo-coupled circuit
- 3-M3 screw hole easy to install
- Driven by 5V / 3.3V normally open contact close
Raspberry Pi 4 (2GB)
- 2GB/4GB Varients
- Quad-Core 64-bit Broadcom 2711, Cortex A72 Processor
- WLAN 802.11 b/g/n/ac (2,4 + 5,0 GHz)
- LAN RJ45 10/100/1000 Mbit (Gigabit LAN over USB 3.0)
- Operating Power 5V@3A via USB Type-C
- Port Broadcom BCM2711, Quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
- 2GB, 4GB or 8GB LPDDR4-3200 SDRAM (depending on model)
- 4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE
- Gigabit Ethernet
- 2 USB 3.0 ports; 2 USB 2.0 ports.
- Raspberry Pi standard 40 pin GPIO header (fully backwards compatible with previous boards)
- 2 × micro-HDMI ports (up to 4kp60 supported)
- 2-lane MIPI DSI display port
- 2-lane MIPI CSI camera port
- 4-pole stereo audio and composite video port
- 265 (4kp60 decode), H264 (1080p60 decode, 1080p30 encode)
- OpenGL ES 3.0 graphics
- Micro-SD card slot for loading operating system and data storage
- 5V DC via USB-C connector (minimum 3A*)
- 5V DC via GPIO header (minimum 3A*)
- Power over Ethernet (PoE) enabled (requires separate PoE HAT)
- Operating temperature: 0 – 50 degrees C ambient